{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "458118601",
    "entityType": "User",
    "nonce": "0xe1383c3d3769761e907c3284225478afa27b063747232b1b1e25f021f663970e",
    "signature": "0xb6055a5b71a297708c08bf025b74eccaf24746fc3c7e4177b9185fda962ac5165ea78da9f1b8f55e39a19c972c243792c0f385976309194b3510aed51c90514a1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}